netdev - Re: [PATCH net] net: rose: lock the socket in rose

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Message-ID: <a2154fb1-95ce-42d1-8cdd-ae955b850a29@redhat.com>
Date: Tue, 4 Feb 2025 13:53:03 +0100
From: Paolo Abeni <pabeni@...hat.com>
To: Eric Dumazet <edumazet@...gle.com>, "David S . Miller"
 <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, Simon Horman <horms@...nel.org>,
 eric.dumazet@...il.com, syzbot+7ff41b5215f0c534534e@...kaller.appspotmail.com
Subject: Re: [PATCH net] net: rose: lock the socket in rose_bind()

On 2/3/25 6:08 PM, Eric Dumazet wrote:
> syzbot reported a soft lockup in rose_loopback_timer(),
> with a repro calling bind() from multiple threads.
> 
> rose_bind() must lock the socket to avoid this issue.
> 
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Reported-by: syzbot+7ff41b5215f0c534534e@...kaller.appspotmail.com
> Closes: https://lore.kernel.org/netdev/67a0f78d.050a0220.d7c5a.00a0.GAE@google.com/T/#u
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Acked-by: Paolo Abeni <pabeni@...hat.com>